Table 3.

Results of the interpolation between the considered PS datasets and the buildings map using a simple intersection.

Dataset	No. of PS	PS/km2	No. of buildings	%
ERS 1/2_asc	63	35	45	6.10
ERS 1/2_desc	247	137.2	128	17.34
ENVISAT_asc	418	232.2	199	26.97
ENVISAT_desc	115	63.89	75	10.16
RADARSAT-1_asc	298	165.56	203	27.51
RADARSAT-1_desc	480	266.67	259	35.10
COSMO-SkyMed_desc	1447	803.89	405	54.95
TerraSAR-X	1567	870.56	442	59.98